c13bcb353eff03d22788915631c3cd43adad396fbda8d6e3193dcc15a5d330ae

Analysis

max time kernel
126s
max time network
145s
platform
windows10-1703_x64
resource
win10-20220812-en
resource tags

arch:x64arch:x86image:win10-20220812-enlocale:en-usos:windows10-1703-x64system
submitted
03-02-2023 09:53

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General

Target

c13bcb353eff03d22788915631c3cd43adad396fbda8d6e3193dcc15a5d330ae.exe
Size

329KB
MD5

d7a8c5ffc2be1bafd4ca9e3c2a894581
SHA1

a726a1244bbcf419c1c6d4f683512bbd655170a5
SHA256

c13bcb353eff03d22788915631c3cd43adad396fbda8d6e3193dcc15a5d330ae
SHA512

3eb6056fae0292117bec72db42ebf3164d95d73aa9a2c45bbea02e42eb70bd14d2def0948595e10c1d316b9b52f6857fcf89d4d58ad6ff4ae07b3ec0ac10e059
SSDEEP

6144:eKlzr1sYCzek2ciDaP9Xk6Ln1W8W/9InBSkZZmLdGcAdgdY6RKpjS:eGhQ2ciDq9ZL1W8q9InBRqELdolRKpj

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 4 IoCs

pid	Process
4784	oobeldr.exe
4260	oobeldr.exe
4508	oobeldr.exe
416	oobeldr.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 2424 set thread context of 4644	2424	c13bcb353eff03d22788915631c3cd43adad396fbda8d6e3193dcc15a5d330ae.exe	66
PID 4784 set thread context of 4260	4784	oobeldr.exe	70
PID 4508 set thread context of 416	4508	oobeldr.exe	74

Creates scheduled task(s) 1 TTPs 2 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence

Scheduled Task

T1053

pid	Process
3204	schtasks.exe
2320	schtasks.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 2424 wrote to memory of 4644	2424	c13bcb353eff03d22788915631c3cd43adad396fbda8d6e3193dcc15a5d330ae.exe	66
PID 2424 wrote to memory of 4644	2424	c13bcb353eff03d22788915631c3cd43adad396fbda8d6e3193dcc15a5d330ae.exe	66
PID 2424 wrote to memory of 4644	2424	c13bcb353eff03d22788915631c3cd43adad396fbda8d6e3193dcc15a5d330ae.exe	66
PID 2424 wrote to memory of 4644	2424	c13bcb353eff03d22788915631c3cd43adad396fbda8d6e3193dcc15a5d330ae.exe	66
PID 2424 wrote to memory of 4644	2424	c13bcb353eff03d22788915631c3cd43adad396fbda8d6e3193dcc15a5d330ae.exe	66
PID 2424 wrote to memory of 4644	2424	c13bcb353eff03d22788915631c3cd43adad396fbda8d6e3193dcc15a5d330ae.exe	66
PID 2424 wrote to memory of 4644	2424	c13bcb353eff03d22788915631c3cd43adad396fbda8d6e3193dcc15a5d330ae.exe	66
PID 2424 wrote to memory of 4644	2424	c13bcb353eff03d22788915631c3cd43adad396fbda8d6e3193dcc15a5d330ae.exe	66
PID 2424 wrote to memory of 4644	2424	c13bcb353eff03d22788915631c3cd43adad396fbda8d6e3193dcc15a5d330ae.exe	66
PID 4644 wrote to memory of 2320	4644	c13bcb353eff03d22788915631c3cd43adad396fbda8d6e3193dcc15a5d330ae.exe	67
PID 4644 wrote to memory of 2320	4644	c13bcb353eff03d22788915631c3cd43adad396fbda8d6e3193dcc15a5d330ae.exe	67
PID 4644 wrote to memory of 2320	4644	c13bcb353eff03d22788915631c3cd43adad396fbda8d6e3193dcc15a5d330ae.exe	67
PID 4784 wrote to memory of 4260	4784	oobeldr.exe	70
PID 4784 wrote to memory of 4260	4784	oobeldr.exe	70
PID 4784 wrote to memory of 4260	4784	oobeldr.exe	70
PID 4784 wrote to memory of 4260	4784	oobeldr.exe	70
PID 4784 wrote to memory of 4260	4784	oobeldr.exe	70
PID 4784 wrote to memory of 4260	4784	oobeldr.exe	70
PID 4784 wrote to memory of 4260	4784	oobeldr.exe	70
PID 4784 wrote to memory of 4260	4784	oobeldr.exe	70
PID 4784 wrote to memory of 4260	4784	oobeldr.exe	70
PID 4260 wrote to memory of 3204	4260	oobeldr.exe	71
PID 4260 wrote to memory of 3204	4260	oobeldr.exe	71
PID 4260 wrote to memory of 3204	4260	oobeldr.exe	71
PID 4508 wrote to memory of 416	4508	oobeldr.exe	74
PID 4508 wrote to memory of 416	4508	oobeldr.exe	74
PID 4508 wrote to memory of 416	4508	oobeldr.exe	74
PID 4508 wrote to memory of 416	4508	oobeldr.exe	74
PID 4508 wrote to memory of 416	4508	oobeldr.exe	74
PID 4508 wrote to memory of 416	4508	oobeldr.exe	74
PID 4508 wrote to memory of 416	4508	oobeldr.exe	74
PID 4508 wrote to memory of 416	4508	oobeldr.exe	74
PID 4508 wrote to memory of 416	4508	oobeldr.exe	74

C:\Users\Admin\AppData\Local\Temp\c13bcb353eff03d22788915631c3cd43adad396fbda8d6e3193dcc15a5d330ae.exe
"C:\Users\Admin\AppData\Local\Temp\c13bcb353eff03d22788915631c3cd43adad396fbda8d6e3193dcc15a5d330ae.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2424
- C:\Users\Admin\AppData\Local\Temp\c13bcb353eff03d22788915631c3cd43adad396fbda8d6e3193dcc15a5d330ae.exe
  C:\Users\Admin\AppData\Local\Temp\c13bcb353eff03d22788915631c3cd43adad396fbda8d6e3193dcc15a5d330ae.exe
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4644
- - C:\Windows\SysWOW64\schtasks.exe
    /C /create /F /sc minute /mo 1 /tn "Telemetry Logging" /tr "C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe"
    3⤵
    - Creates scheduled task(s)
    PID:2320

C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4784
- C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
  C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
  2⤵
  - Executes dropped EXE
  - Suspicious use of WriteProcessMemory
  PID:4260
- - C:\Windows\SysWOW64\schtasks.exe
    /C /create /F /sc minute /mo 1 /tn "Telemetry Logging" /tr "C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe"
    3⤵
    - Creates scheduled task(s)
    PID:3204

C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4508
- C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
  C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
  2⤵
  - Executes dropped EXE
  PID:416

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

T1053

Persistence

Scheduled Task

T1053

Privilege Escalation

Scheduled Task

T1053

Defense Evasion

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\oobeldr.exe.log

Filesize
789B

MD5
db5ef8d7c51bad129d9097bf953e4913

SHA1
8439db960aa2d431bf5ec3c37af775b45eb07e06

SHA256
1248e67f10b47b397af3c8cbe342bad4be75c68b8e10f4ec6341195cc3138bd9

SHA512
04572485790b25e1751347e43b47174051cd153dd75fd55ee5590d25a2579f344cd96cf86cf45bdb7759e3e6d0f734d0ff717148ca70f501b9869e964e036fee

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe

Filesize
329KB

MD5
d7a8c5ffc2be1bafd4ca9e3c2a894581

SHA1
a726a1244bbcf419c1c6d4f683512bbd655170a5

SHA256
c13bcb353eff03d22788915631c3cd43adad396fbda8d6e3193dcc15a5d330ae

SHA512
3eb6056fae0292117bec72db42ebf3164d95d73aa9a2c45bbea02e42eb70bd14d2def0948595e10c1d316b9b52f6857fcf89d4d58ad6ff4ae07b3ec0ac10e059

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe

Filesize
329KB

MD5
d7a8c5ffc2be1bafd4ca9e3c2a894581

SHA1
a726a1244bbcf419c1c6d4f683512bbd655170a5

SHA256
c13bcb353eff03d22788915631c3cd43adad396fbda8d6e3193dcc15a5d330ae

SHA512
3eb6056fae0292117bec72db42ebf3164d95d73aa9a2c45bbea02e42eb70bd14d2def0948595e10c1d316b9b52f6857fcf89d4d58ad6ff4ae07b3ec0ac10e059

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe

Filesize
329KB

MD5
d7a8c5ffc2be1bafd4ca9e3c2a894581

SHA1
a726a1244bbcf419c1c6d4f683512bbd655170a5

SHA256
c13bcb353eff03d22788915631c3cd43adad396fbda8d6e3193dcc15a5d330ae

SHA512
3eb6056fae0292117bec72db42ebf3164d95d73aa9a2c45bbea02e42eb70bd14d2def0948595e10c1d316b9b52f6857fcf89d4d58ad6ff4ae07b3ec0ac10e059

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe

Filesize
329KB

MD5
d7a8c5ffc2be1bafd4ca9e3c2a894581

SHA1
a726a1244bbcf419c1c6d4f683512bbd655170a5

SHA256
c13bcb353eff03d22788915631c3cd43adad396fbda8d6e3193dcc15a5d330ae

SHA512
3eb6056fae0292117bec72db42ebf3164d95d73aa9a2c45bbea02e42eb70bd14d2def0948595e10c1d316b9b52f6857fcf89d4d58ad6ff4ae07b3ec0ac10e059

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe

Filesize
329KB

MD5
d7a8c5ffc2be1bafd4ca9e3c2a894581

SHA1
a726a1244bbcf419c1c6d4f683512bbd655170a5

SHA256
c13bcb353eff03d22788915631c3cd43adad396fbda8d6e3193dcc15a5d330ae

SHA512
3eb6056fae0292117bec72db42ebf3164d95d73aa9a2c45bbea02e42eb70bd14d2def0948595e10c1d316b9b52f6857fcf89d4d58ad6ff4ae07b3ec0ac10e059

Download Submit
memory/416-391-0x0000000000402354-mapping.dmp

Download
memory/2320-208-0x0000000000000000-mapping.dmp

Download
memory/2424-152-0x0000000077DF0000-0x0000000077F7E000-memory.dmp

Filesize
1.6MB

Download
memory/2424-115-0x0000000077DF0000-0x0000000077F7E000-memory.dmp

Filesize
1.6MB

Download
memory/2424-121-0x0000000077DF0000-0x0000000077F7E000-memory.dmp

Filesize
1.6MB

Download
memory/2424-123-0x0000000077DF0000-0x0000000077F7E000-memory.dmp

Filesize
1.6MB

Download
memory/2424-124-0x0000000077DF0000-0x0000000077F7E000-memory.dmp

Filesize
1.6MB

Download
memory/2424-125-0x0000000077DF0000-0x0000000077F7E000-memory.dmp

Filesize
1.6MB

Download
memory/2424-126-0x0000000077DF0000-0x0000000077F7E000-memory.dmp

Filesize
1.6MB

Download
memory/2424-127-0x0000000077DF0000-0x0000000077F7E000-memory.dmp

Filesize
1.6MB

Download
memory/2424-128-0x0000000077DF0000-0x0000000077F7E000-memory.dmp

Filesize
1.6MB

Download
memory/2424-129-0x0000000077DF0000-0x0000000077F7E000-memory.dmp

Filesize
1.6MB

Download
memory/2424-130-0x0000000077DF0000-0x0000000077F7E000-memory.dmp

Filesize
1.6MB

Download
memory/2424-131-0x0000000077DF0000-0x0000000077F7E000-memory.dmp

Filesize
1.6MB

Download
memory/2424-132-0x0000000077DF0000-0x0000000077F7E000-memory.dmp

Filesize
1.6MB

Download
memory/2424-133-0x0000000077DF0000-0x0000000077F7E000-memory.dmp

Filesize
1.6MB

Download
memory/2424-134-0x0000000077DF0000-0x0000000077F7E000-memory.dmp

Filesize
1.6MB

Download
memory/2424-135-0x0000000077DF0000-0x0000000077F7E000-memory.dmp

Filesize
1.6MB

Download
memory/2424-136-0x0000000077DF0000-0x0000000077F7E000-memory.dmp

Filesize
1.6MB

Download
memory/2424-137-0x0000000077DF0000-0x0000000077F7E000-memory.dmp

Filesize
1.6MB

Download
memory/2424-138-0x0000000077DF0000-0x0000000077F7E000-memory.dmp

Filesize
1.6MB

Download
memory/2424-139-0x0000000077DF0000-0x0000000077F7E000-memory.dmp

Filesize
1.6MB

Download
memory/2424-140-0x0000000077DF0000-0x0000000077F7E000-memory.dmp

Filesize
1.6MB

Download
memory/2424-141-0x0000000077DF0000-0x0000000077F7E000-memory.dmp

Filesize
1.6MB

Download
memory/2424-142-0x0000000077DF0000-0x0000000077F7E000-memory.dmp

Filesize
1.6MB

Download
memory/2424-143-0x0000000077DF0000-0x0000000077F7E000-memory.dmp

Filesize
1.6MB

Download
memory/2424-144-0x0000000077DF0000-0x0000000077F7E000-memory.dmp

Filesize
1.6MB

Download
memory/2424-145-0x0000000077DF0000-0x0000000077F7E000-memory.dmp

Filesize
1.6MB

Download
memory/2424-146-0x0000000077DF0000-0x0000000077F7E000-memory.dmp

Filesize
1.6MB

Download
memory/2424-147-0x0000000077DF0000-0x0000000077F7E000-memory.dmp

Filesize
1.6MB

Download
memory/2424-148-0x0000000077DF0000-0x0000000077F7E000-memory.dmp

Filesize
1.6MB

Download
memory/2424-149-0x0000000000660000-0x00000000006B6000-memory.dmp

Filesize
344KB

Download
memory/2424-150-0x0000000077DF0000-0x0000000077F7E000-memory.dmp

Filesize
1.6MB

Download
memory/2424-151-0x0000000077DF0000-0x0000000077F7E000-memory.dmp

Filesize
1.6MB

Download
memory/2424-120-0x0000000077DF0000-0x0000000077F7E000-memory.dmp

Filesize
1.6MB

Download
memory/2424-153-0x0000000077DF0000-0x0000000077F7E000-memory.dmp

Filesize
1.6MB

Download
memory/2424-154-0x0000000077DF0000-0x0000000077F7E000-memory.dmp

Filesize
1.6MB

Download
memory/2424-155-0x0000000077DF0000-0x0000000077F7E000-memory.dmp

Filesize
1.6MB

Download
memory/2424-157-0x0000000007A10000-0x0000000007F0E000-memory.dmp

Filesize
5.0MB

Download
memory/2424-122-0x0000000077DF0000-0x0000000077F7E000-memory.dmp

Filesize
1.6MB

Download
memory/2424-156-0x0000000004F30000-0x0000000004FFC000-memory.dmp

Filesize
816KB

Download
memory/2424-159-0x00000000075B0000-0x0000000007642000-memory.dmp

Filesize
584KB

Download
memory/2424-160-0x00000000028C0000-0x00000000028C6000-memory.dmp

Filesize
24KB

Download
memory/2424-161-0x0000000077DF0000-0x0000000077F7E000-memory.dmp

Filesize
1.6MB

Download
memory/2424-162-0x0000000007850000-0x00000000078C6000-memory.dmp

Filesize
472KB

Download
memory/2424-163-0x0000000077DF0000-0x0000000077F7E000-memory.dmp

Filesize
1.6MB

Download
memory/2424-164-0x0000000077DF0000-0x0000000077F7E000-memory.dmp

Filesize
1.6MB

Download
memory/2424-165-0x0000000077DF0000-0x0000000077F7E000-memory.dmp

Filesize
1.6MB

Download
memory/2424-166-0x0000000004AC0000-0x0000000004ADE000-memory.dmp

Filesize
120KB

Download
memory/2424-167-0x0000000077DF0000-0x0000000077F7E000-memory.dmp

Filesize
1.6MB

Download
memory/2424-168-0x0000000077DF0000-0x0000000077F7E000-memory.dmp

Filesize
1.6MB

Download
memory/2424-169-0x0000000077DF0000-0x0000000077F7E000-memory.dmp

Filesize
1.6MB

Download
memory/2424-170-0x0000000077DF0000-0x0000000077F7E000-memory.dmp

Filesize
1.6MB

Download
memory/2424-171-0x0000000077DF0000-0x0000000077F7E000-memory.dmp

Filesize
1.6MB

Download
memory/2424-172-0x0000000077DF0000-0x0000000077F7E000-memory.dmp

Filesize
1.6MB

Download
memory/2424-178-0x0000000077DF0000-0x0000000077F7E000-memory.dmp

Filesize
1.6MB

Download
memory/2424-158-0x0000000077DF0000-0x0000000077F7E000-memory.dmp

Filesize
1.6MB

Download
memory/2424-116-0x0000000077DF0000-0x0000000077F7E000-memory.dmp

Filesize
1.6MB

Download
memory/2424-117-0x0000000077DF0000-0x0000000077F7E000-memory.dmp

Filesize
1.6MB

Download
memory/2424-118-0x0000000077DF0000-0x0000000077F7E000-memory.dmp

Filesize
1.6MB

Download
memory/2424-119-0x0000000077DF0000-0x0000000077F7E000-memory.dmp

Filesize
1.6MB

Download
memory/3204-318-0x0000000000000000-mapping.dmp

Download
memory/4260-284-0x0000000000402354-mapping.dmp

Download
memory/4644-185-0x0000000077DF0000-0x0000000077F7E000-memory.dmp

Filesize
1.6MB

Download
memory/4644-182-0x0000000077DF0000-0x0000000077F7E000-memory.dmp

Filesize
1.6MB

Download
memory/4644-184-0x0000000077DF0000-0x0000000077F7E000-memory.dmp

Filesize
1.6MB

Download
memory/4644-177-0x0000000077DF0000-0x0000000077F7E000-memory.dmp

Filesize
1.6MB

Download
memory/4644-176-0x0000000077DF0000-0x0000000077F7E000-memory.dmp

Filesize
1.6MB

Download
memory/4644-183-0x0000000077DF0000-0x0000000077F7E000-memory.dmp

Filesize
1.6MB

Download
memory/4644-175-0x0000000077DF0000-0x0000000077F7E000-memory.dmp

Filesize
1.6MB

Download
memory/4644-174-0x0000000000402354-mapping.dmp

Download
memory/4644-173-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/4644-179-0x0000000077DF0000-0x0000000077F7E000-memory.dmp

Filesize
1.6MB

Download
memory/4644-186-0x0000000077DF0000-0x0000000077F7E000-memory.dmp

Filesize
1.6MB

Download
memory/4644-181-0x0000000077DF0000-0x0000000077F7E000-memory.dmp

Filesize
1.6MB

Download
memory/4644-227-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads